music: self-hosted scrobbler (Spotify poller, Last.fm + streaming-history importers, /trackers/music, homepage listening card)

- music schema: artists/albums/tracks (+album art), plays with source + dedupe, now_playing,
  spotify_auth, import_state; plays_deduped view hides Last.fm scrobbles Spotify also has
- in-app Spotify poller (60s, leased) started from hooks init; no new role or env needed
- /api/spotify/connect + callback (owner only), /trackers/music public stats
- scripts: music-poll, music-import-lastfm (resumable), music-import-history
- deploy/music-collector: optional host timer with its own role

Dockerfile

@@ -20,6 +20,8 @@ COPY --from=builder /app/src/lib/cs-prices ./src/lib/cs-prices
 # scripts/house-listing.ts (manual listings CLI) imports these pure helpers.
 COPY --from=builder /app/src/lib/house-tracker ./src/lib/house-tracker
 COPY --from=builder /app/src/lib/availability.ts ./src/lib/availability.ts
+# scripts/music-*.ts (Spotify poll, Last.fm and streaming-history imports) import these.
+COPY --from=builder /app/src/lib/music ./src/lib/music
 COPY package.json ./
 EXPOSE 3000
 ENV NODE_ENV=production